Safety Limit Switch

Model:EFM series
Feature:
• Conforms to EN (TUV) standards corresponding to the CE marking
• Positive opening operation of NC (Normally Closed) contacts conforming to IEC /EN 60947-5-1
• Wide standard operating temperature range: -25°C to 70°C
• Full range of actuator heads and levers suitable for safety applications
• Sealing up to IP 67
• International conduit size
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Description

The EFM series have been tested and approved to meet the requirements of the Low Voltage directive and positive opening safety contacts per IEC/EN 60947-5-1-3.

Typical applications for these switches would use the roller plunger in conjunction with cams on doors with hinges .

A rang of panel mounting or top mounting versions are also available to ensure that the switch can be simply installed in small space or difficult mounting.

Specifications
Standards EN 945-1,ISO 13849-1,IEC/EN 60204-1,NFPA 79,EN 1088,ISO 14119, IEC/EN 60947-5-1,ANSI B11.19 AS 4024.1
Safety Classification Cat. 1 Device per EN 945-1 Dual channel limit switch suitable for Cat 3 or 4 systems
Certifications TUV and CE ,marked for all applicable directives
Safety Contacts 1 N.C. snap acting
Auxiliary Contacts 1 N.O
Thermal Current (Ith) 10A
Rated lnsulation Voltage (ui) 300 AV
Short Circuit Protection 10A max. fast acting IEC 60269 type gG or equivalent
Actuation Speed. Max. 250 mm/s
Actuation Speed. Min. 100 mm/min
Actuation Frequency, Max 6000 operation per hour
Mechanical life 1 x 10⁷ operation at room temperature
Enclosure Type Rating NEMA 1,IP66 and IP67
Operating Temperature [C (F)] Min 2°C (35.6°F) Max 70°C (+158°F)
Pollution Degree 3
Housing Material Die Cast Alloy
Actuator Material Various polymers and metals
Mounting 2 x M4, Any position
Vibration IEC 68-2-6 (10....55Hz,0.35 mm amplitude)
Shock IEC 68-2-7(30 Gn 3 pulses per axis)
Connection 2 m(6.5 ft) cablec
Enclosure Color Red body/black head

 

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Operating Characteristics
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EFM-□-3-20

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EFM-□-3-32

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EFM-□-3-321

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EFM-□-3-51

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EFM-□-3-52

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EFM-□-3-521

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